Year	Percent
1994-01-01	38.2748000000000000
1995-01-01	34.6357000000000000
1996-01-01	27.4930000000000020
1997-01-01	43.7519000000000000
1998-01-01	39.3416000000000000
1999-01-01	36.8631000000000000
2000-01-01	37.5128000000000000
2001-01-01	37.3108000000000000
2002-01-01	25.4229000000000000
2003-01-01	19.7197000000000000
2004-01-01	14.0888000000000000
2005-01-01	6.0049700000000000
2006-01-01	5.6882100000000000
2007-01-01	3.7970500000000000
2008-01-01	3.1179099999999997
2009-01-01	3.2795199999999998
2010-01-01	3.1323000000000000
2011-01-01	2.7414300000000000
2012-01-01	5.2061199999999990
2013-01-01	3.3218000000000000
2014-01-01	6.1678400000000000
2015-01-01	12.3232000000000000
2016-01-01	15.3229000000000000